A000131 - OEIS

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A000131 as a simple table

`n`		`a(n)`
`7`		`2`
`8`		`5`
`9`		`21`
`10`		`61`
`11`		`214`
`12`		`669`
`13`		`2240`
`14`		`7330`
`15`		`24695`
`16`		`83257`
`17`		`284928`
`18`		`981079`
`19`		`3410990`
`20`		`11937328`
`21`		`42075242`
`22`		`149171958`
`23`		`531866972`
`24`		`1905842605`
`25`		`6861162880`
`26`		`24805692978`
`27`		`90035940227`
`28`		`327987890608`
`29`		`1198853954688`
`30`		`4395797189206`
`31`		`16165195705544`
`32`		`59609156824273`
`33`		`220373268471398`
`34`		`816677398144221`

[2,5,21,61,214,669,2240,7330,24695,83257,284928, 981079,3410990,11937328,42075242,149171958, 531866972,1905842605,6861162880,24805692978, 90035940227,327987890608,1198853954688, 4395797189206,16165195705544,59609156824273, 220373268471398,816677398144221]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)